"The Rollo series is composed of fourteen volumes, viz. Rollo learning to talk, Rollo learning to read, Rollo at work, Rollo at play, Rollo at school, Rollo's vacation, Rollo's experiments, Rollo's museum, Rollo's travels, Rollo's correspondence, Rollo's philosophy--water, Rollo's philosophy--air, Rollo's philosophy--fire, Rollo's philosophy--sky."

In original publisher's binding: brown stepped-wave-grain cloth with a border stamped in blind on boards, series title, title, and decoration stamped in gilt on spine.

Weber, C.J. Bibliography of Jacob Abbott, entry IIa14

LC copy is the gift of the American Institute of Aeronautics and Astronautics, March 1964.